Tiny weevils are waging war on the invasive water lettuce plant choking South Africa’s Vaal River
Tiny weevils are waging war on the invasive water lettuce plant choking South Africa’s Vaal River: Water lettuce (Pistia stratiotes L.), also known as Nile cabbage, is a free-floating aquatic plant from the family Araceae, the same family as the arum lily. It’s found on every continent except Antarctica and grows well in tropical to …